42504543213231 has 64 divisors (see below), whose sum is σ = 67252134297600. Its totient is φ = 23591231078400.

The previous prime is 42504543213211. The next prime is 42504543213281. The reversal of 42504543213231 is 13231234540524.

It is a happy number.

42504543213231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42504543213231 - 2¹³ = 42504543205039 is a prime.

It is a super-2 number, since 2×42504543213231² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42504543213231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42504543213211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16423855 + ... + 18834863.

It is an arithmetic number, because the mean of its divisors is an integer number (1050814598400).

Almost surely, 2^{42504543213231} is an apocalyptic number.

42504543213231 is a deficient number, since it is larger than the sum of its proper divisors (24747591084369).

42504543213231 is a wasteful number, since it uses less digits than its factorization.

42504543213231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411980.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 42504543213231 its reverse (13231234540524), we get a palindrome (55735777753755).

The spelling of 42504543213231 in words is "forty-two trillion, five hundred four billion, five hundred forty-three million, two hundred thirteen thousand, two hundred thirty-one".